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22,246
RESULTS

Media Type
5
collections
14,005
texts
7,489
movies
646
audio
95
images
2
data
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Availability
22,246
Always Available
Year
160
2018
796
2017
554
2016
934
2015
1,763
2014
3,029
2013
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Topics & Subjects
14,941
NSA
12,157
National Security Agency
7,621
Cryptography
7,618
Friedman
7,618
William F. Friedman
7,073
nsa
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Collection
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Creator
7,618
william f. friedman
3,470
nsa
1,024
edward snowden
188
national security agency
97
public speaking library
44
kevin canada
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Language
20,942
English
53
German
19
Handwritten English
16
Esperanto
15
Spanish
7
French
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